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Last modified by Mengting Qiu on 2023/12/14 11:15
From version 170.2
edited by Mengting Qiu
on 2023/12/12 10:36
Change comment: There is no comment for this version
To version 162.1
edited by Mengting Qiu
on 2023/12/11 11:49
Change comment: Uploaded new attachment "image-20231211114932-3.png", version {1}

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... ... @@ -49,6 +49,7 @@
49 49  
50 50  == 1.3 Specification ==
51 51  
52 +
52 52  (% style="color:#037691" %)**LiDAR Sensor:**
53 53  
54 54  * Operation Temperature: -40 ~~ 80 °C
... ... @@ -64,7 +64,7 @@
64 64  
65 65  (% style="color:#037691" %)**Battery Power Mode:**
66 66  
67 -* Idle: 3uA @ 3.3v
68 +* Idle: 0.003 mA @ 3.3v
68 68  * Max : 360 mA
69 69  
70 70  (% style="color:#037691" %)**Continuously mode**:
... ... @@ -72,21 +72,6 @@
72 72  * Idle: 21 mA @ 3.3v
73 73  * Max : 360 mA
74 74  
75 -== 1.5 Use Case ==
76 -
77 -(% class="mark" %)**Regular Distance Detect**
78 -
79 -[[image:image-20231211220922-1.png||height="352" width="605"]]
80 -
81 -
82 -(% class="mark" %)**Counting / Alarm**
83 -
84 -[[image:image-20231211221253-2.png]]
85 -
86 -
87 -[[image:image-20231211221436-3.png]]
88 -
89 -
90 90  = 2. Configure DS20L to connect to LoRaWAN network =
91 91  
92 92  == 2.1 How it works ==
... ... @@ -126,7 +126,7 @@
126 126  
127 127  
128 128  
129 -=== Step 2: Activate DS20L ===
115 +=== Step 2: Activate on DS20L ===
130 130  
131 131  [[image:image-20231128133704-1.png||height="189" width="441"]]
132 132  
... ... @@ -134,7 +134,7 @@
134 134  
135 135  The switch is switched to (% style="color:blue" %)**E** (%%)and the external power supply is used.
136 136  
137 -The switch is switched to (% style="color:blue" %)**I** (%%)and DS20L will be power by the built-in battery.
123 +The switch is switched to (% style="color:blue" %)**I** (%%)and the motherboard battery is used for power supply.
138 138  
139 139  (% style="color:green" %)**Green led**(%%) will fast blink 5 times, device will enter (% style="color:blue" %)**OTA mode**(%%) for 3 seconds. And then start to JOIN LoRaWAN network. (% style="color:green" %)**Green led**(%%) will solidly turn on for 5 seconds after joined in network.
140 140  
... ... @@ -219,27 +219,12 @@
219 219  
220 220  Regularly detect distance and report. When the distance exceeds the limit, the alarm flag is set to 1, and the report can be triggered by external interrupts.
221 221  
222 -**Uplink Payload totals 10 bytes.**
208 +Uplink Payload totals 10 bytes.
223 223  
224 224  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
225 -|(% style="background-color:#4f81bd; color:White; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:White; width:30px" %)**2**|(% style="background-color:#4f81bd; color:White; width:130px" %)**1**|(% style="background-color:#4f81bd; color:White; width:70px" %)**2**|(% style="background-color:#4f81bd; color:White; width:100px" %)**1**|(% style="background-color:#4f81bd; color:White; width:120px" %)**4**
226 -|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+ Alarm+ Interrupt|(% style="width:74px" %)Distance|(% style="width:100px" %)Sensor State|(% style="width:119px" %)Interrupt Count
211 +|(% style="background-color:#4f81bd; color:white; width:60px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:30px" %)**2**|(% style="background-color:#4f81bd; color:white; width:130px" %)**1**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:100px" %)**1**|(% style="background-color:#4f81bd; color:white; width:120px" %)**4**
212 +|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+ Alarm+Interrupt|(% style="width:74px" %)Distance|(% style="width:100px" %)Sensor State|(% style="width:119px" %)Interrupt Count
227 227  
228 -**MOD+ Alarm+ Interrupt:**
229 -
230 -(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:400px" %)
231 -|(% style="background-color:#4f81bd; color:White; width:50px" %)**Size(bit)**|(% style="background-color:#4f81bd; color:White; width:60px" %)**[bit7:bit6]**|(% style="background-color:#4f81bd; color:White; width:70px" %)**bit5**|(% style="background-color:#4f81bd; color:White; width:120px" %)**bit4**
232 -|(% style="width:80px" %)Value|(% style="width:80px" %)MOD|(% style="width:89px" %)Digital Interrupt
233 - |(% style="width:167px" %)(((
234 -Distance Alarm
235 -
236 -0: No Alarm;
237 -
238 -1: Alarm
239 -)))
240 -
241 -Example parse in TTNv3
242 -
243 243  [[image:image-20231209152917-1.png||height="300" width="1172"]]
244 244  
245 245  (% style="color:blue" %)**Battery Info:**
... ... @@ -278,10 +278,10 @@
278 278  
279 279  Ex1: 0x00: Normal collection distance
280 280  
281 -Ex2: 0x0x: Distance collection is wrong
252 +Ex2 0x0x: Distance collection is wrong
282 282  
283 283  
284 -(% style="color:blue" %)**Interrupt Count:**
255 +(% style="color:blue" %)**Interript Count:**
285 285  
286 286  If payload is:000007D0H: count = 07D0H =2000
287 287  
... ... @@ -302,7 +302,7 @@
302 302  
303 303  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
304 304  |(% style="background-color:#4f81bd; color:white; width:70px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:40px" %)**2**|(% style="background-color:#4f81bd; color:white; width:130px" %)**1**|(% style="background-color:#4f81bd; color:white; width:130px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**
305 -|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+Alarm+DO+Limit flag|(% style="width:74px" %)Distance |(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit
276 +|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+Alarm+Do+Limit flag|(% style="width:74px" %)Distance |(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit
306 306  
307 307  [[image:image-20231209171127-3.png||height="374" width="1209"]]
308 308  
... ... @@ -319,7 +319,7 @@
319 319  
320 320  When the detection distance exceeds the limit, the alarm flag is set to 1.
321 321  
322 -(% style="color:red" %)**DO:**
293 +(% style="color:red" %)**Do:**
323 323  
324 324  When the distance exceeds the set threshold, pull the Do pin high.
325 325  
... ... @@ -340,19 +340,7 @@
340 340  
341 341   Actual sampling distance values.
342 342  
343 -**Example:**
344 344  
345 -**AT+DOL=1,500,244,**(% style="color:red" %)0(%%)**,120  **
346 -
347 -The distance is detected every 120ms.
348 -
349 -When the actual detection value is within the range of [244mm,500mm], the data is uploaded in the normal TDC time.
350 -
351 -When the actual detection value is outside the range of [244mm,500mm], the uplink data will be immediately alerted.
352 -
353 -If payload is: 0708H: distance = 0708H = 1800 mm
354 -
355 -
356 356  (% style="color:blue" %)**Upper limit:**
357 357  
358 358  The upper limit of the threshold cannot exceed 2000mm.
... ... @@ -365,69 +365,17 @@
365 365  
366 366  * **Set the person or object count mode: AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120**
367 367  
368 -Continuous measurement, detect and count people or things passing by in distance limit mode. Uplink Payload totals 11 bytes.
327 +Continuous measurement, detect and count people or things passing by in distance limit mode.
369 369  
370 370  (% border="1" cellspacing="4" style="background-color:#f2f2f2; width:600px" %)
371 371  |(% style="background-color:#4f81bd; color:white; width:70px" %)**Size(bytes)**|(% style="background-color:#4f81bd; color:white; width:40px" %)**2**|(% style="background-color:#4f81bd; color:white; width:130px" %)**1**|(% style="background-color:#4f81bd; color:white; width:130px" %)**4**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**|(% style="background-color:#4f81bd; color:white; width:70px" %)**2**
372 -|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+Alarm+Do+Limit flag|(% style="width:176px" %)Distance limit alarm count|(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit
331 +|(% style="width:91px" %)Value|(% style="width:41px" %)BAT|(% style="width:176px" %)MOD+Alarm+Do+Limit flag|(% style="width:176px" %)Distance Limit Alarm count|(% style="width:100px" %)Upper limit|(% style="width:119px" %)Lower limit
373 373  
374 374  [[image:image-20231209173457-5.png||height="277" width="1098"]]
375 375  
376 -(% style="color:blue" %)**MOD & Alarm & Do & Limit flag:**
377 377  
378 -(% style="color:red" %)**MOD:**
379 379  
380 -**Example: ** (0x60>>6) & 0x3f =1
381 381  
382 -**0x01:**  Regularly detect distance and report.
383 -**0x02: ** Uninterrupted measurement (external power supply).
384 -
385 -(% style="color:red" %)**Alarm:**
386 -
387 -When the detection distance exceeds the limit, the alarm flag is set to 1.
388 -
389 -(% style="color:red" %)**Do:**
390 -
391 -When the distance exceeds the set threshold, pull the Do pin high.
392 -
393 -(% style="color:red" %)**Limit flag:**
394 -
395 -Mode for setting threshold: **0~~3**
396 -
397 -**0:** does not use upper and lower limits
398 -
399 -**1:** Use upper and lower limits
400 -
401 -**2:** Less than the upper limit
402 -
403 -**3: **Greater than the lower limit
404 -
405 -
406 -(% style="color:blue" %)**Distance limit alarm count:**
407 -
408 -People or objects are collected and counted within a limited distance.
409 -
410 -The detection of a stationary person or object at each sampling time will be repeated three times, and the fourth sampling count will be added by 1.
411 -
412 -**Example:**
413 -
414 -**AT+DOL=1,500,244,**(% style="color:red" %)1(%%)**,120   **
415 -
416 -People or objects passing within the distance range of [244mm,500mm] are detected and counted every 120ms.
417 -
418 -If payload is: 0x56H, interrupt count =0x56H =86
419 -
420 -
421 -(% style="color:blue" %)**Upper limit:**
422 -
423 -The upper limit of the threshold cannot exceed 2000mm.
424 -
425 -
426 -(% style="color:blue" %)**Lower limit:**
427 -
428 -The lower limit of the threshold cannot be less than 3mm.
429 -
430 -
431 431  == 2.4 Decode payload in The Things Network ==
432 432  
433 433  
... ... @@ -449,7 +449,7 @@
449 449  
450 450  
451 451  (((
452 -[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, onhuman-friendlya in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
359 +[[DATACAKE>>url:https://datacake.co/]] provides a human friendly interface to show the sensor data, once we have data in TTN, we can use [[DATACAKE>>url:https://datacake.co/]] to connect to TTN and see the data in DATACAKE. Below are the steps:
453 453  )))
454 454  
455 455  
... ... @@ -522,7 +522,7 @@
522 522  == 3.3 Commands special design for DS20L ==
523 523  
524 524  
525 -Below commands only valid for DS20L, as below:
432 +These commands only valid for DS20L, as below:
526 526  
527 527  
528 528  === 3.3.1 Set Transmit Interval Time ===
... ... @@ -646,8 +646,7 @@
646 646  )))
647 647  |(% style="width:172px" %)AT+ DOL =1,1800,100,0,400|(% style="width:279px" %)Set only the upper and lower thresholds|(% style="width:118px" %)OK
648 648  
649 -(% border="1" cellspacing="5" style="background-color:#f2f2f2; width:510px" %)
650 -|=(% style="width: 162px;background-color:#4F81BD;color:white" %)**Command Example**|=(% style="width: 193px;background-color:#4F81BD;color:white" %)**Function**|=(% style="width: 155px;background-color:#4F81BD;color:white" %) Parameter
556 +(% border="1" cellspacing="4" style="background-color:#f2f2f2; width:510px" %)
651 651  |(% rowspan="11" style="color:blue; width:120px" %)(((
652 652  
653 653  
... ... @@ -660,12 +660,14 @@
660 660  
661 661  
662 662  
663 -**AT+DOL=1,1800,3,0,400**
569 +**AT+DOL=5,1800,0,0,400**
664 664  )))|(% rowspan="4" style="width:240px" %)(((
665 665  
666 666  
667 667  
668 668  
575 +
576 +
669 669  The first bit sets the limit mode
670 670  )))|(% style="width:150px" %)0: Do not use upper and lower limits
671 671  |(% style="width:251px" %)1: Use upper and lower limits
... ... @@ -691,34 +691,10 @@
691 691  
692 692  * Example 1: Downlink Payload: 070107080064000190  **~-~-->**  AT+MOD=1,1800,100,0,400
693 693  
694 -* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800,100,0,400
602 +* Example 2: Downlink Payload: 070200000064000190  **~-~-->**  AT+MOD=2,1800100,0,400
695 695  
696 696  * Example 3: Downlink Payload: 070300000064000190  **~-~-->**  AT+MOD=3,0,100,0,400
697 697  
698 -(% style="color:Red" %)**Note: The over-limit alarm is applied to MOD1 and MOD2.**
699 -
700 -**For example:**
701 -
702 -* **AT+MOD=1**
703 -
704 - **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
705 -
706 -Send data according to the normal TDC time. If the mode limit is exceeded, the alarm flag is set to 1:
707 -
708 -[[image:image-20231211113204-2.png||height="292" width="1093"]]
709 -
710 -* **AT+MOD=2  **
711 -
712 - **AT+DOL=1,500,244,**(% style="color:blue" %)0(%%)**,300**
713 -
714 -If the mode limit is exceeded, the data is immediately uplink and the alarm flag is set to 1:
715 -
716 -[[image:image-20231211114932-3.png||height="277" width="1248"]]
717 -
718 -
719 -
720 -
721 -
722 722  = 4. Battery & Power Consumption =
723 723  
724 724  
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